Table 3.

Number of Normal and Endometriosis Patients According to the Intensity of IL-1RII Luminal Immunostaining in the Glands and Surface Epithelium

	Glands and surface epithelium intensity of staining				P value
		0	1	2		3
Controls	7	10	16	6
Endometriosis (total)	37	8	3	6	10−6*
Stage I	17	3	1	2	0.0006*
Stage II	11	3	0	2	0.0015*
Stage III–IV	9	2	2	2	0.0360*
Fertile	16	4	0	4	0.0010*
Infertile	21	4	3	2	4× 10−5*
Controls
Proliferative phase	5	2	9	2
Secretory phase	2	8	7	4	0.1370†
Endometriosis
Proliferative phase	13	2	3	4
Secretory phase	24	6	0	2	0.0590†
Proliferative phase
Control	5	2	9	2
Endometriosis	13	2	3	4	0.0760
Secretory phase
Control	2	8	7	4
Endometriosis	24	6	0	2	8× 10−7*

*Comparison with controls; only significant P values were corrected by the Bonferroni procedure.

^†Comparison of the proliferative phase with the secretory phase.